Hope this doesn't get the stupid question of the day award, but here goes. On the seat posts I assume, not being a bike mechanic, the frame has a stop inside the down tube on the frame that holds the seat to stop it. So can a seat post be cut down to get a lower height? In other words if a sprung saddle adds 3" of height can 3" be taken off of the bottom of the tube to compensate? or would the spring mechanism bottom out on the down tube? Almost every bike I see has the seat post elevated some.
Seat Height
- Thread starter Jerry LM
- Start date
chriskmee
Active Member
The seat post is held in by a clamp, which should look something like this. That picture is a quick release, yours might require a tool to work. Simply loosen the clamp, move the seat post up/down, and re tighten it.
mrgold35
Well-Known Member
Are you saying you need to lower your seat/seatpost extremely low and you are worried about the seatpost bottoming out in the down tube before reaching your needed riding height?
Do you have a ebike in mind where the standard 350mm seatpost length might be an issue? Most bikes and ebikes seem to be able to move a 350mm seatpost tube down to its lowest level near the seatpost clamp. I ended up purchasing a RadCity Step-Thru and that had a much lower seatpost tube height for my 4'11" wife. The tube was low enough for me to add the Bodyfloat suspension seatpost along with the Cloud-9 seat AND she still needed to raise the seat a bit for riding comfort. I didn't have enough room to add the Bodyfloat when she was riding the Radrover with the Cloud-9 seat because of the longer seatpost length.
Do you have a ebike in mind where the standard 350mm seatpost length might be an issue? Most bikes and ebikes seem to be able to move a 350mm seatpost tube down to its lowest level near the seatpost clamp. I ended up purchasing a RadCity Step-Thru and that had a much lower seatpost tube height for my 4'11" wife. The tube was low enough for me to add the Bodyfloat suspension seatpost along with the Cloud-9 seat AND she still needed to raise the seat a bit for riding comfort. I didn't have enough room to add the Bodyfloat when she was riding the Radrover with the Cloud-9 seat because of the longer seatpost length.
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Jerry, the answer is yes - you can cut down a normal seat post so it can be lowered until the neck is flush with the frame - I've done this for my kids whist they get their confidence up on bikes that are slightly too tall for them. Unfortunately, you can't do this with dropper posts and you'd have to take a look at the mechanism for each of the suspension seat posts to determine if / how far the suspension mechanism goes down the post ( if at all) . BUT , if you're looking at a bike for yourself and you need the seat flush with the frame - the chances are the bike is the wrong size for you and you'd be a lot more comfortable on a suitably sized frame!
Nova Haibike
Well-Known Member
I don't know what bike you are referring to, but there is no stop inside a seat tube for the purpose of holding the post. Sometimes the post won't go down further because the seat tube itself is short, or the seat tube is not straight, or there is a water bottle braze on in the way. Regardless, you can either use a shorter seatpost or cut the existing one.
Thanks everyone, kinda answers my question, I am considering after months of looking the Evelo Delta X, judging by the size chart I should be good, I am 5'9" but only have a 29/30" inseam. I would have liked the comfort package seat but it makes the seat a bit higher which might possibly be a problem for me. Think I will order standard and see how it goes first. Would like to change out to the comfort bar though, they say it's easy to change out the handle bars. I like a little less back bend and want to keep the weight off of my wrists which have both been broken in the past. Jerry
Nova Haibike
Well-Known Member
I have the same inseam and ride a 19" frame. My seat post is extended a good 6" (with a not-so-tall racing saddle), so the Delta X at 18.25" should not be a problem for you, even with a taller saddle and a suspension seatpost. This is assuming you adjust the saddle for proper leg extension and not with it low so you can have your feet flat on the ground while seated.
Thanks, yes the Delta X seems to hit everything I want in a bike, although it ain't cheap for sure. I appreciate the info after I get it I will evaluate the seat deal. No I don't plan on sitting so low as to place my feet down flat, don't on my regular bike, my Trek I ride now is a large frame with 27' wheels and I manage, but really to big for me, second hand. I like my knee to just be bent a bit at the bottom of the pedal stroke, on my present ride it is straight and the seat is bottomed out.
Thanks, most likely I will be a good fit on the Delta looking at the measurement chart, or the Aurora, tough choice for me because both are 750W bikes just not sure about the step thru thing, actually would buy the Galaxy TT if not for the 6 mph throttle delay that kills that one for me. Just need to settle between the two, Court gives good reviews on both, watching him blast up that Seattle hill on the Aurora in throttle only mode is pretty impressive! On that bike I wouldn't need to change anything....
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